CN110335149A - A kind of assets based on block chain really weigh transaction realization method and system - Google Patents
A kind of assets based on block chain really weigh transaction realization method and system Download PDFInfo
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Abstract
The invention discloses a kind of assets based on block chain really to weigh transaction realization method and system, belong to block chain technical field, it include: the step of assets information stores packet: when assets are produced, assets information is stored in the form of block to outside chain in database OuterDB, and by the storage of block head information into the local data base of block catenary system；And assets the step of really weighing: assets are sent to block catenary system from the assets producer and really weigh transaction request；Block catenary system receives after assets really weigh transaction request, parses really power transaction request data, executes subsequent step if all verifyings pass through with verification public key certificate, private key signature and amount of assets, otherwise transaction terminates；UTXO is generated for output data, assets are really weighed to transaction request and UTXO generated storage into the local data base of block catenary system；Really the ownership of assets relationship in power transaction request data comes into force, and transaction terminates.The present invention realizes safety in block chain, retrospective assets really weigh transaction.
Description
Technical field
The invention belongs to block chain technical fields, and it is real that transaction is really weighed more particularly, to a kind of assets based on block chain
Existing method and system.
Background technique
In the every field for being related to assets, the either physical assets such as steel, Maotai or copyright, patent of invention, very
To being netizen in digital assets such as online speeches, assets really weigh all be transaction in assets, tracking basis, require to borrow in reality
Third party's trust authority is helped to be defined according to law relevant regulations.Under normal conditions, assets are really weighed and are referred to according to law, policy
Regulation, by being declared to relevant department, ownership investigation, audit approval, register, provide the registration established procedure such as certificate,
Confirm the ownership of a certain assets, the membership of the right to use and his right.
Due to needing third party's trust authority to participate in, existing assets really weigh costly, and inefficiency.In addition,
From the perspective of the registration of assets, transfer, really power and matter/mortgage efficiency, it is especially big that digital asset weighs difficulty really, mainly
It is embodied in three aspects: first is that assessment registration management is not perfect, takeing a long time: China's digital asset such as patent right and work
When work power does Registration of Pledge, one and a half months are at least waited, wherein 10 working days are wanted in publicity, wait 1 week, handle Registration of Pledge and want
Equal 15 working days again；Second is that digital asset assessment is difficult, digital asset assessment needs the appraisal agency of profession, but generally lacks
Few traction；Third is that digital asset circulation disposition is difficult, since digital asset has stronger professional, value cognizance
Also more difficult, it is relatively limited to cash channel.
Block chain is the distributed data base that can not be distorted guaranteed by linked data structure under common recognition mechanism, general
It reads mainly from bit coin, and hot and known to the public with bit coin, obtains the attention of academia and industrial circle in recent years.
Block chain mainly has the following characteristics that decentralization, and account book can not be distorted, and the maintenance of account book collective, collective proves, to generate letter
Appoint, and generates the transmitting of value.These features of block chain to realize that assets are really weighed in block chain: due to area
Collective's storage of block chain technology is also provided with the anti-fake function of tracing to the source with can not distort characteristic and weigh assets really；Due to data without
Method is distorted, along with technologies such as timestamp and digital signature, so that carrying out power really by block chain is provided with jural card
According to meaning, and after block chain really weighs popularity use, even if not being the same block platform chain, can also carry out really
Power.It realizes that assets are really weighed based on block chain, can effectively solve present in really being weighed based on third party's trust authority progress assets
Costly, low efficiency and the big problem of difficulty may advantageously facilitate assets flowing, therefore, realize that assets really weigh friendship based on block chain
Easily there is important practical significance.
Summary of the invention
In view of the drawbacks of the prior art and Improvement requirement, the present invention provides a kind of assets based on block chain really to weigh transaction
Realization method and system, it is intended that realizing that safety, retrospective assets really weigh transaction in block chain.
To achieve the above object, according to one aspect of the present invention, a kind of assets based on block chain are provided and really weigh friendship
Easy implementation method, comprising: the step of the step of assets information stores and assets are really weighed；
Assets information store the step of include:
When assets are produced, assets information is stored in the form of block to database outside chain by the assets producer
In OuterDB, and by the storage of the block head information of the block into the local data base of block catenary system；The outer database of chain
OuterDB is the database except block catenary system, and data therein are stored in the form of block chain, and the block of each block
It include the cryptographic Hash of previous block, the Merkle root cryptographic Hash of current block and timestamp in head；
The step of assets are really weighed include:
(S1) assets are sent to block catenary system from the assets producer and really weighs transaction request；
Assets are really weighed comprising really power transaction request data in transaction request, and really weighing transaction request data includes: assets production
The public key certificate of person, record have the output data of ownership of assets relationship and the private key signature of the assets producer；
Output data includes: amount of assets, the public key and Asset Tag of asset acceptance person；
Asset Tag records mark, asset class and the assets database OuterDB outside chain for having the assets producer
In corresponding Merkle root cryptographic Hash；
(S2) block catenary system receives after assets really weigh transaction request, really power transaction request data is parsed, to verify money
The public key certificate and private key signature of the producer are produced, and verifies whether the amount of assets in output data is greater than 0, if all verifyings are equal
Pass through, is then transferred to step (S3)；Otherwise, assets really weigh Fail Transaction, and transaction terminates；
(S3) block catenary system is the output data one corresponding UTXO of generation really weighed in transaction request data, and will money
Really power transaction request and UTXO generated is produced to be respectively stored into the local data base of block catenary system；
(S4) the ownership of assets relationship really in power transaction request data comes into force, and transaction terminates.
Further, the assets provided by the present invention based on block chain really weigh transaction implementation method, further include assets institute
The step of having the right to circulate；
Ownership of assets circulate the step of include:
(T1) asset owner sends the request of ownership of assets circulation trading to block catenary system；
The request of ownership of assets circulation trading includes circulation trading request data, and circulation trading request data includes: one
Or the mark of UTXO corresponding to more assets to be transferred, one or more record have the output number of new ownership of assets relationship
According to and asset owner private key signature；
(T2) after block catenary system receives the request of ownership of assets circulation trading, circulation trading request data is parsed, with
The private key signature of asset owner is verified, and verifies whether that the corresponding UTXO of all assets to be transferred can be inquired, and test
Whether corresponding to be transferred equal to same Asset Tag demonstrate,prove the sum of amount of assets in the corresponding output data of same asset label
The sum of amount of assets of assets is transferred to step (T3) if all verifyings pass through；Otherwise, ownership of assets circulation trading loses
It loses, transaction terminates；
(T3) block catenary system be each of circulation trading request data output data generate respectively one it is corresponding
UTXO, and ownership of assets circulation trading is requested and generated UTXO is respectively stored into the local data base of block catenary system
In；
(T4) ownership of assets relationship new in circulation trading request data comes into force, and transaction terminates.
Further, the public key certificate of the assets producer is issued by certification authority；Since the origin of assets is from money
The producer is produced, rather than the digging mine of system is providing so the public key of the assets producer needs to meet the requirement of Public Key Infrastructure
It produces in really power transaction using the public key certificate issued by certification authority (CA), it can be ensured that the origin of article can really chase after
It traces back.
Further, if assets are physical assets, the assets information stored in database OuterDB outside chain includes should
The appearance information of assets；The appearance information of physical assets can be photo, video or other visual informations, store physical assets
Appearance information, can from shape queries asset the true and false, further increase the confidence level that assets really weigh result.
Further, the information recorded in UTXO generated includes UTXO mark and corresponding output data；
UTXO mark is made of the serial number of transaction id and output data, is used for unique identification UTXO.
Further, the assets provided by the present invention based on block chain really weigh transaction implementation method, further includes: for appointing
Anticipate a UTXO, is over if assets therein are spent, which is deleted from the block catenary system.
Further, the acquisition modes of the private key signature of the assets producer are as follows: by the public key in true power transaction request data
Certificate, output data and a random number are spliced to form the first plaintext data, utilize private key pair corresponding with the public key certificate
First plaintext data is signed, to obtain the private key signature of the assets producer.
Further, the acquisition modes of the private key signature of asset owner are as follows: will be needed in circulation trading request data
UTXO mark, all output datas and the random number for transferring assets corresponding are spliced to form the second plaintext data, benefit
It is signed with the private key of asset owner to the second plaintext data, to obtain the private key signature of asset owner.
Other side according to the invention provides a kind of assets based on block chain and really weighs transaction realizing system, wraps
It includes: block catenary system and the outer database OuterDB of chain；
The outer database OuterDB of chain is the database except block catenary system, for storing assets in the form of block chain
Information, wherein in the block head of each block comprising the cryptographic Hash of previous block, the Merkle root cryptographic Hash of current block and
Timestamp；
Block catenary system include the first receiving module, the first authentication module, the first memory module, ownership come into force module with
And local data base；
The block head information of block in the outer database OuterDB of chain is stored in local data base；
First receiving module really weighs transaction request by the assets that the assets producer sends for receiving；Assets really weigh transaction
Comprising really power transaction request data in request, the public key certificate that transaction request data include: the assets producer is really weighed, record has money
Produce the output data of ownership and the private key signature of the assets producer；Output data includes: amount of assets, assets connect
The public key and Asset Tag of receipts person；Asset Tag record has mark, asset class and the assets of the assets producer in chain
Corresponding Merkle root cryptographic Hash in outer database OuterDB；
First authentication module parses really power transaction for receiving after assets really weigh transaction request in the first receiving module
Whether request data to verify the public key certificate and private key signature of the assets producer, and verifies the amount of assets in output data
Greater than 0；First authentication module, it is obstructed out-of-date to be also used to verify in any one, determines that assets really weigh Fail Transaction, and terminate to hand over
Easily；
First memory module, for when every verifying of the first authentication module passes through, being true power transaction request data
In output data generate a corresponding UTXO, and assets are really weighed into transaction request and UTXO generated is respectively stored into
In local data base；
Ownership comes into force module, for assets really to be weighed to transaction request and UTXO generated points in the first memory module
After Cun Chu be into local data base, so that really the ownership of assets relationship in power transaction request data comes into force, and close the trade.
Further, the assets provided by the present invention based on block chain are really weighed in transaction realizing system, block catenary system
Further include: the second receiving module, the second authentication module and the second memory module；
Second receiving module, for receiving the ownership of assets circulation trading request sent by asset owner；Assets institute
There is ownership circulation trading request packet request data containing circulation trading, circulation trading request data includes: one or the reward for writing or painting how to be transferred
Corresponding UTXO mark is produced, one or more record has the output data of new ownership of assets relationship and assets all
The private key signature of person；
Second authentication module, for the second receiving module receive ownership of assets circulation trading request after, resolution flow
Easy request data is delivered, to verify the private key signature of asset owner, and verifies whether that all assets pair to be transferred can be inquired
Whether the sum of amount of assets is equal to same Asset Tag in the UTXO answered, and the corresponding output data of verifying same asset label
The sum of the amount of assets of corresponding assets to be transferred；Second authentication module, it is obstructed out-of-date to be also used to verify in any one, sentences
Determine the failure of ownership of assets circulation trading, and closes the trade；
Second memory module, for being circulation trading request data when every verifying of the second authentication module passes through
Each of output data generate a corresponding UTXO respectively, and ownership of assets circulation trading is requested and is generated
UTXO is respectively stored into local data base；
Ownership comes into force module, is also used to that ownership of assets circulation trading is requested and generated in the second memory module
After UTXO is respectively stored into local data base, so that ownership of assets relationship new in circulation trading request data comes into force, and
It closes the trade.
In general, contemplated above technical scheme through the invention, can obtain it is following the utility model has the advantages that
(1) assets provided by the present invention based on block chain really weigh transaction realization method and system, really weigh friendship in assets
Easily and in ownership of assets circulation trading, the ownership of assets to come into force is stored to the local of block catenary system in the form of UTXO
In database, and to the assets producer/identity of asset owner and the verifying of signature in perfect process of exchange, and to money
The verifying of quantity in ownership is produced, safe assets really weigh transaction and subsequent assets are all to realize in block chain
Ownership circulation trading；Due to including Asset Tag in UTXO, and record has the mark of the assets producer in Asset Tag, therefore, money
The assets producer can directly be inquired by Asset Tag by producing the owner, i.e., the assets that the present invention is realized really weigh transaction and money
All ownership circulation tradings are produced, can be traced to the source.Generally speaking, the assets that the present invention realizes safety in block chain, can trace to the source
Really power transaction and subsequent ownership of assets circulation trading.
(2) assets provided by the present invention based on block chain really weigh transaction realization method and system, utilize data outside chain
Library OuterDB stores assets information, can effectively avoid the sharply expansion of data in block catenary system, ensure that block catenary system
Therefore the ability that processing assets really weigh transaction can be improved the efficiency that assets are really weighed.
(3) assets provided by the present invention based on block chain really weigh transaction realization method and system, for physical assets,
The appearance information (such as the visual informations such as photo, video) that the assets can be stored in database OuterDB outside chain, thus, it is possible to
The true and false of enough queries assets from shape, further increases the confidence level that assets really weigh result.
Detailed description of the invention
Fig. 1 is that the assets provided in an embodiment of the present invention based on block chain really weigh transaction realizing system schematic diagram；
Fig. 2 is that assets provided in an embodiment of the present invention really weigh transaction application example；
Fig. 3 is ownership of assets circulation trading application example provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
In order to realize that safety, retrospective assets really weigh transaction in block chain, the present invention provides one kind to be based on block
The assets of chain really weigh transaction implementation method, comprising: the step of the step of assets information stores and assets are really weighed；
Assets information store the step of include:
When assets are produced, assets information is stored in the form of block to database outside chain by the assets producer
In OuterDB, and by the storage of the block head information of the block into the local data base of block catenary system；The outer database of chain
OuterDB is the database except block catenary system, and data therein are stored in the form of block chain, and the block of each block
It include the cryptographic Hash of previous block, the Merkle root cryptographic Hash of current block and timestamp in head；In the present invention, outside chain
The specific data structure of storing data in database OuterDB, it is similar with the data structure of block chain in bit coin；Block chain
System and the relationship of the outer database OuterDB of chain are as shown in Figure 1；
The assets information stored in database OuterDB outside chain includes asset identification, particularly, for physical assets,
The assets information stored in database OuterDB outside chain may also include the appearance information of the assets；The shape of physical assets is believed
Breath can be photo, video or other visual informations, store the appearance information of physical assets, can from shape queries asset
The true and false, further increase the confidence level that assets really weigh result；For digital asset, stored in database OuterDB outside chain
Assets information may also include the data information of the assets itself；
The step of assets are really weighed include:
(S1) assets are sent to block catenary system from the assets producer and really weighs transaction request；
Assets are really weighed comprising really power transaction request data in transaction request, and really weighing transaction request data includes: assets production
The public key certificate of person, record have the output data of ownership of assets relationship and the private key signature of the assets producer；
Output data includes: amount of assets, the public key and Asset Tag of asset acceptance person；
Asset Tag records mark, asset class and the assets database OuterDB outside chain for having the assets producer
In corresponding Merkle root cryptographic Hash；
In the present embodiment, the public key certificate of the assets producer is issued by certification authority；Since the origin of assets is come
From the assets producer, rather than the digging mine of system, so the public key of the assets producer needs to meet the requirement of Public Key Infrastructure,
It really weighs in transaction in assets using the public key certificate issued by certification authority (CA), it can be ensured that really may be used the origin of article
Retrospect；The public key for participating in the asset acceptance person of intermediate link can generate at random, without being issued by CA；
In an alternative embodiment, the acquisition modes of the private key signature of the assets producer are as follows: will really weigh transaction request
Public key certificate, output data and a random number in data are spliced to form the first plaintext data, using with the public key certificate
Corresponding private key signs to the first plaintext data, to obtain the private key signature of the assets producer；If respectively with symbol
Inputs1, outputs1 and sigs1 indicate public key certificate, output data and the private key signature in really power transaction request data,
Then the first plaintext data is represented by inputs1 | | outputs1 | | nonce1, private key signature sigs1 are demonstrate,proved using with public key
It is that the corresponding private key of book obtains after signing to this plaintext data as a result, nonce1 indicate a random number；
(S2) block catenary system receives after assets really weigh transaction request, really power transaction request data is parsed, to verify money
The public key certificate and private key signature of the producer are produced, and verifies whether the amount of assets in output data is greater than 0, if all verifyings are equal
Pass through, is then transferred to step (S3)；Otherwise, assets really weigh Fail Transaction, and transaction terminates；
The verifying of the public key certificate of the assets producer can directly obtain legal public key card from relevant certification authority
It after book, is compared with the public key certificate of the assets producer, if they are the same, is then verified, otherwise, verifying does not pass through；
The verifying of the private key signature of the assets producer then can be verified directly using its public key certificate；
(S3) block catenary system is the output data one corresponding UTXO of generation really weighed in transaction request data, and will money
Really power transaction request and UTXO generated is produced to store into the local data base of block catenary system；
The present invention has used for reference UTXO (Unspent Transaction Output, the transaction not spent in Bitcoin
Output) model；
In the present embodiment, the information recorded in UTXO generated includes UTXO mark and corresponding output data；
UTXO mark is made of the serial number of transaction id and output data, is used for unique identification UTXO；
(S4) the ownership of assets relationship really in power transaction request data comes into force, and transaction terminates.
The above-mentioned assets based on block chain really weigh transaction implementation method, further includes: for any one UTXO, if therein
Assets, which are spent, to be over, then deletes the UTXO from the block catenary system；Thus, it is possible to guarantee assets in flow process,
Its quantity remains unchanged.
Safety and tractability in order to further ensure ownership of assets, it is provided by the present invention based on block chain
The step of assets really weigh transaction implementation method, may also include ownership of assets circulation；
Ownership of assets circulate the step of include:
(T1) asset owner sends the request of ownership of assets circulation trading to block catenary system；
The request of ownership of assets circulation trading includes circulation trading request data, and circulation trading request data includes: one
Or the mark of UTXO corresponding to more assets to be transferred, one or more record have the output number of new ownership of assets relationship
According to and asset owner private key signature；
If the mark of the UTXO according to corresponding to assets successful query from block catenary system illustrates the assets to UTXO
State is not spend；Otherwise, the state for illustrating the assets is to have spent；Therefore, according to whether can inquire corresponding to assets
UTXO, that is, can determine whether the cost state of assets；
In an optional embodiment, the acquisition modes of the private key signature of asset owner are as follows: ask circulation trading
The mark of UTXO corresponding to all assets to be transferred, all output datas and a random number is asked in data to be spliced to form the
Two plaintext datas sign to the second plaintext data using the private key of asset owner, to obtain the private of asset owner
Key signature；Similarly, if respectively with symbol inputs2, outputs2 and sigs2 indicate in circulation trading request data wait turn
The mark of UTXO corresponding to assets, output data and private key signature are moved, then the second plaintext data is represented by inputs2 | |
Outputs2 | | nonce2, private key signature sigs2 are then to be signed using the private key of asset owner to this plaintext data
It is obtaining afterwards as a result, nonce2 indicate a random number；
(T2) after block catenary system receives the request of ownership of assets circulation trading, circulation trading request data is parsed, with
The private key signature of asset owner is verified, and verifies whether that the corresponding UTXO of all assets to be transferred can be inquired, and test
Whether corresponding to be transferred equal to same Asset Tag demonstrate,prove the sum of amount of assets in the corresponding output data of same asset label
The sum of amount of assets of assets is transferred to step (T3) if all verifyings pass through；Otherwise, ownership of assets circulation trading loses
It loses, transaction terminates；
Similarly, it is verified using private key signature of the public key of asset owner to asset owner；
(T3) block catenary system be each of circulation trading request data output data generate respectively one it is corresponding
UTXO, and ownership of assets circulation trading is requested and generated UTXO is respectively stored into the local data base of block catenary system
In；
(T4) ownership of assets relationship new in circulation trading request data comes into force, and transaction terminates.
The local data base of block catenary system includes two parts: a part is recorded for store transaction, friendship therein
Easily record is stored in the form of block chain, this part constitutes blockchain；It is handed over for recording another part
As a result, how many money, the last state of the description each account of system, this part constitute in i.e. each account caused by easily
Slip condition database；In the present invention, each transaction record is in blockchain, the outer database of UTXO and chain generated
The block head information of block is then stored in slip condition database in OuterDB.The present invention also provides a kind of based on block chain
Assets really weigh transaction realizing system, and transaction implementation method is really weighed for realizing the above-mentioned assets based on block chain, as shown in Figure 1,
The system includes: block catenary system and the outer database OuterDB of chain；
The outer database OuterDB of chain is the database except block catenary system, for storing assets in the form of block chain
Information, wherein in the block head of each block comprising the cryptographic Hash of previous block, the Merkle root cryptographic Hash of current block and
Timestamp；Card data of depositing in Fig. 1 indicate the description information of assets, if the data of description assets information itself are smaller, such as
One table, passage can be placed directly in inside outerdb；If data are bigger, card data of depositing herein be can be
The allocation index of the hash value of data itself or data itself；
Block catenary system include the first receiving module, the first authentication module, the first memory module, ownership come into force module with
And local data base；
The block head information of block in the outer database OuterDB of chain is stored in local data base；
First receiving module really weighs transaction request by the assets that the assets producer sends for receiving；Assets really weigh transaction
Comprising really power transaction request data in request, the public key certificate that transaction request data include: the assets producer is really weighed, record has money
Produce the output data of ownership and the private key signature of the assets producer；Output data includes: amount of assets, assets connect
The public key and Asset Tag of receipts person；Asset Tag record has mark, asset class and the assets of the assets producer in chain
Corresponding Merkle root cryptographic Hash in outer database OuterDB；
First authentication module parses really power transaction for receiving after assets really weigh transaction request in the first receiving module
Whether request data to verify the public key certificate and private key signature of the assets producer, and verifies the amount of assets in output data
Greater than 0；First authentication module, it is obstructed out-of-date to be also used to verify in any one, determines that assets really weigh Fail Transaction, and terminate to hand over
Easily；
First memory module, for when every verifying of the first authentication module passes through, being true power transaction request data
In output data generate a corresponding UTXO, and assets are really weighed into transaction request and UTXO generated is respectively stored into
In local data base；
Ownership comes into force module, for will really weigh transaction request data in the first memory module and UTXO generated is equal
After storing in local data base, so that really the ownership of assets relationship in power transaction request data comes into force, and close the trade；
To realize ownership of assets circulation trading, the above-mentioned assets based on block chain are really weighed in realization system, block linkwork
System further include: the second receiving module, the second authentication module and the second memory module；
Second receiving module, for receiving the ownership of assets circulation trading request sent by asset owner；Assets institute
There is ownership circulation trading request packet request data containing circulation trading, circulation trading request data includes: one or more moneys to be transferred
Corresponding UTXO mark is produced, one or more record has the output data of new ownership of assets relationship and assets all
The private key signature of person；
Second authentication module, for the second receiving module receive ownership of assets circulation trading request after, resolution flow
Easy request data is delivered, to verify the private key signature of asset owner, and verifies whether that all assets pair to be transferred can be inquired
Whether the sum of amount of assets is equal to same Asset Tag in the UTXO answered, and the corresponding output data of verifying same asset label
The sum of the amount of assets of corresponding assets to be transferred；Second authentication module, it is obstructed out-of-date to be also used to verify in any one, sentences
Determine Fail Transaction, and closes the trade；
Second memory module, for being circulation trading request data when every verifying of the second authentication module passes through
Each of output data generate a corresponding UTXO respectively, and ownership of assets circulation trading is requested and is generated
UTXO is respectively stored into local data base；
Ownership comes into force module, is also used to that ownership of assets circulation trading is requested and generated in the second memory module
After UTXO is respectively stored into local data base, so that the ownership of assets relationship in circulation trading request data comes into force, and tie
Beam transaction；
In embodiments of the present invention, the specific embodiment of each module can refer to the description in above method embodiment,
This will no longer be repeated.
Application example
Below by taking the processing of physical assets as an example, in conjunction with specific application scenarios, the present invention will be further explained.Root
Transaction realization method and system is really weighed according to the assets provided by the present invention based on block chain, when commodity (physical assets) dispatch from the factory,
Manufacturer's (assets really weigh the assets producer in transaction) states that (assets are really weighed by certain batch of article and retail trader A on block catenary system
Asset acceptance person in transaction) public key address bound, and to oneself private key signature of above-mentioned statement, broadcast.When
Retail trader A (asset owner in ownership of assets circulation trading) is given to consumer B, and (assets really weigh the asset acceptance in transaction
Person) when, retail trader A claims that certain articles have been sold to user B, and the public key address binding with user B, and retail trader A is to above-mentioned sound
Bright signature is simultaneously broadcasted.Can successively it go down.Since the origin of commodity comes from manufacturer, rather than the digging mine of system, so manufacturer
Public key needs to meet the requirement of Public Key Infrastructure, and needing a CA is its certificate, and the origin to ensure article is true
It is traceable, and the public key of the participant of intermediate link can generate at random, without being issued by CA.
Assets really weigh transaction as shown in Fig. 2, the assets producer, which sends assets to block catenary system, really weighs transaction request, assets
Really comprising really power transaction request data request1=(inputs1, outputs1, sigs1) in power transaction request, wherein
Inputs1 is the public key certificate of the assets producer；Outputs1 is the output data that record has new ownership of assets relationship, is used
Data (amout, owner, label) indicate that owner indicates the public key of asset acceptance person, and label is Asset Tag, label=
Assets producer mark | | type | | Merkle the root hash, amount of assets indicate the quantity of commodity；Sigs1 is public with producer
The corresponding private key of key is to inputs1 | | outputs1 | | the signature of nonce1, nonce1 indicate a random number.Assets information
Particular content data are placed on inside outerdb, and the information data of these assets constitutes a block.The intelligence of block catenary system is closed
About then to input, power transaction request data request1 is parsed really, verifies the legitimacy of public key certificate in inputs1, and
Verifying signature sigs1, verifying amount quantity are greater than 0, and the content note of transaction request is really weighed assets in all verifyings after passing through
It records in the local data base of block catenary system, and the content of new ownership of assets data outputs in the form of UTXO
Also it is recorded in the local data base of block catenary system.
Ownership of assets circulation trading is as shown in Figure 3, it is assumed that asset owner A turns one's own a collection of valuable asset
Give asset acceptance person B；B can be to give the suitable equivalent of A (franc or other valuables) on chain or under chain, A handle on chain
The ownership of this batch of valuable asset is given to B, which is similar with the circulation process of bit coin (bitcoin).A is to block chain
System sends the request of ownership of assets circulation trading, and the request of ownership of assets circulation trading includes circulation trading request data
Request2=(inputs2, outputs2, sigs2), wherein inputs=[in1；in2；…；ini；...], each iniIt represents
The mark for assets corresponding UTXO in block catenary system that A is possessed；Outputs2=[(amount；owner；
label)；…；], each (amount；owner；Label) there is an output number of new ownership of assets relationship for record
According to, represent amount quantity, the article that number is label will be given to new owner, wherein label be Asset Tag；A
Utilize its assets iniCorresponding private key to (inputs2 | | outputs2 | | nonce2) signature, obtain its private key signature sigs2,
Nonce2 indicates a random number.The intelligent contract of block catenary system is receiving above-mentioned ownership of assets circulation trading request
Afterwards, all private key signatures are verified, and verify each assets state be do not spend, verifying label it is identical input and it is defeated
Quantity out is equal, and after all verifyings pass through, the content record that ownership of assets circulation trading is requested is in block catenary system
Local data base in, the content of new ownership of assets outputs is recorded in the sheet of block catenary system in the form of UTXO
In ground database.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of assets based on block chain really weigh transaction implementation method characterized by comprising the step of assets information stores
The step of really being weighed with assets；
The assets information store the step of include:
When assets are produced, assets information is stored in the form of block to database OuterDB outside chain by the assets producer
In, and by the storage of the block head information of the block into the local data base of block catenary system；The outer database OuterDB of the chain
For the database except the block catenary system, data therein are stored in the form of block chain, and the block head of each block
In include the cryptographic Hash of previous block, the Merkle root cryptographic Hash of current block and timestamp；
The step of assets are really weighed include:
(S1) assets are sent to the block catenary system from the assets producer and really weighs transaction request；
The assets are really weighed comprising really power transaction request data in transaction request, and the true power transaction request data include: described
The public key certificate of the assets producer, record have the output data of ownership of assets relationship and the private key of the assets producer
Signature；
The output data includes: amount of assets, the public key and Asset Tag of asset acceptance person；
The Asset Tag record has mark, asset class and the assets of the assets producer database outside the chain
Corresponding Merkle root cryptographic Hash in OuterDB；
(S2) the block catenary system receives after the assets really weigh transaction request, parses the true power transaction request data,
Whether to verify the public key certificate and private key signature of the assets producer, and it is big to verify the amount of assets in the output data
In 0, if all verifyings pass through, it is transferred to step (S3)；Otherwise, assets really weigh Fail Transaction, and transaction terminates；
(S3) the block catenary system is output data one corresponding UTXO of generation in the true power transaction request data, and
The assets are really weighed into transaction request and UTXO generated is respectively stored into the local data base of the block catenary system；
(S4) the ownership of assets relationship in the true power transaction request data comes into force, and transaction terminates.
2. the assets as described in claim 1 based on block chain really weigh transaction implementation method, which is characterized in that further include assets
The step of ownership circulates；
The ownership of assets circulate the step of include:
(T1) asset owner sends the request of ownership of assets circulation trading to the block catenary system；
The ownership of assets circulation trading request includes circulation trading request data, and the circulation trading request data includes:
The mark of UTXO corresponding to one or more assets to be transferred, one or more record have the output of new ownership of assets relationship
Data and the private key signature of the asset owner；
(T2) after the block catenary system receives the ownership of assets circulation trading request, the circulation trading request is parsed
Data to verify the private key signature of the asset owner, and verify whether that all assets to be transferred can be inquired corresponding
Whether the sum of amount of assets it is opposite be equal to same Asset Tag in UTXO, and the corresponding output data of verifying same asset label
The sum of the amount of assets for the assets to be transferred answered is transferred to step (T3) if all verifyings pass through；Otherwise, ownership of assets
Circulation trading failure, transaction terminate；
(T3) the block catenary system be each of circulation trading request data output data generate respectively one it is right
The UTXO answered, and ownership of assets circulation trading request and generated UTXO are respectively stored into the block catenary system
Local data base in；
(T4) ownership of assets relationship new in the circulation trading request data comes into force, and transaction terminates.
3. the assets as claimed in claim 1 or 2 based on block chain really weigh transaction implementation method, which is characterized in that the money
The public key certificate for producing the producer is issued by certification authority.
4. the assets as claimed in claim 1 or 2 based on block chain really weigh transaction implementation method, which is characterized in that if assets
For physical assets, then the assets information stored in database OuterDB outside the chain includes the appearance information of the assets.
5. the assets as claimed in claim 1 or 2 based on block chain really weigh transaction implementation method, which is characterized in that generated
UTXO in the information that records include UTXO mark and corresponding output data；
The UTXO mark is made of the serial number of transaction id and output data, is used for unique identification UTXO.
6. the assets as claimed in claim 5 based on block chain really weigh transaction implementation method, which is characterized in that further include: it is right
It in any one UTXO, is over if assets therein are spent, which is deleted from the block catenary system.
7. the assets as claimed in claim 1 or 2 based on block chain really weigh transaction implementation method, which is characterized in that the money
Produce the producer private key signature acquisition modes are as follows: by it is described it is true power transaction request data in public key certificate, output data with
And a random number is spliced to form the first plaintext data, using private key corresponding with the public key certificate to first plaintext data
It signs, to obtain the private key signature of the assets producer.
8. the assets as claimed in claim 2 based on block chain really weigh transaction implementation method, which is characterized in that the assets institute
The acquisition modes of the private key signature for the person of having are as follows: by UTXO corresponding to assets to be transferred all in the circulation trading request data
Mark, all output datas and a random number are spliced to form the second plaintext data, utilize the private of the asset owner
Key signs to second plaintext data, to obtain the private key signature of the asset owner.
9. a kind of assets based on block chain really weigh transaction realizing system characterized by comprising number outside block catenary system and chain
According to library OuterDB；
The outer database OuterDB of the chain is the database except the block catenary system, for being stored in the form of block chain
Assets information, wherein including cryptographic Hash, the Merkle root cryptographic Hash of current block of previous block in the block head of each block
And timestamp；
The block catenary system include the first receiving module, the first authentication module, the first memory module, ownership come into force module with
And local data base；
The block head information of block in the outer database OuterDB of the chain is stored in the local data base；
First receiving module really weighs transaction request by the assets that the assets producer sends for receiving；The assets are really weighed
Comprising really power transaction request data in transaction request, the true power transaction request data include: the public key of the assets producer
Certificate, record have the output data of ownership of assets relationship and the private key signature of the assets producer；The output data
It include: amount of assets, the public key and Asset Tag of asset acceptance person；The Asset Tag record has the assets producer
Mark, asset class and the assets Merkle root cryptographic Hash corresponding in database OuterDB outside the chain；
First authentication module, for receiving parsing after the assets really weigh transaction request in first receiving module
The true power transaction request data, to verify the public key certificate and private key signature of the assets producer, and verify the output
Whether the amount of assets in data is greater than 0；First authentication module, it is obstructed out-of-date to be also used to verify in any one, determines
Assets really weigh Fail Transaction, and close the trade；
First memory module, for being traded for the true power when every verifying of first authentication module passes through
Output data in request data generates a corresponding UTXO, and the assets are really weighed transaction request and generated
UTXO is respectively stored into the local data base；
The ownership comes into force module, for the assets really to be weighed transaction request in first memory module and are generated
UTXO be respectively stored into the local data base after so that it is described it is true power transaction request data in ownership of assets relationship
It comes into force, and closes the trade.
10. the assets as claimed in claim 9 based on block chain really weigh transaction realizing system, which is characterized in that the block
Catenary system further include: the second receiving module, the second authentication module and the second memory module；
Second receiving module, for receiving the ownership of assets circulation trading request sent by asset owner；The money
All ownership circulation trading request packet request datas containing circulation trading are produced, the circulation trading request data includes: one or more
The mark of UTXO corresponding to assets to be transferred, one or more record have the output data of new ownership of assets relationship, and
The private key signature of the asset owner；
Second authentication module, for receiving the ownership of assets circulation trading request in second receiving module
Afterwards, the circulation trading request data is parsed, to verify the private key signature of the asset owner, and verifies whether to inquire
Whether the sum of amount of assets in the corresponding UTXO of all assets to be transferred, and the corresponding output data of verifying same asset label
The sum of the amount of assets of assets to be transferred corresponding equal to same Asset Tag；Second authentication module, is also used in office
Anticipating one, it is obstructed out-of-date to verify, and determines the failure of ownership of assets circulation trading, and close the trade；
Second memory module, for being the circulation trading when every verifying of second authentication module passes through
Each of request data output data generates a corresponding UTXO respectively, and the ownership of assets circulation trading is asked
It asks and generated UTXO is respectively stored into the local data base；
The ownership comes into force module, be also used to second memory module by the ownership of assets circulation trading request with
And after generated UTXO is respectively stored into the local data base, so that assets institute new in the circulation trading request data
The relationship of having the right comes into force, and closes the trade.
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|---|---|---|---|---|
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| US11354447B2 (en) | 2020-08-28 | 2022-06-07 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data authorization information acquisition methods, apparatuses, and devices |
| US11354448B2 (en) | 2020-09-04 | 2022-06-07 | Alipay (Hangzhou) Information Technology Co., Ltd. | Demand trusted device-based data acquisition methods, apparatuses, and devices |
| US11362815B2 (en) | 2020-08-28 | 2022-06-14 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted data transmission methods, apparatuses, and devices |
| US11386191B2 (en) | 2020-09-15 | 2022-07-12 | Alipay (Hangzhou) Information Technology Co., Ltd. | Trusted hardware-based identity management methods, apparatuses, and devices |
| US11455417B2 (en) | 2020-09-04 | 2022-09-27 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, and devices |
| US11494511B2 (en) | 2020-09-15 | 2022-11-08 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, and devices |
| US11604894B2 (en) | 2020-07-24 | 2023-03-14 | Alipay (Hangzhou) Information Technology Co., Ltd. | Data processing methods, apparatuses, devices, and media |
| US11614929B2 (en) | 2020-08-28 | 2023-03-28 | Alipay (Hangzhou) Information Technology Co., Ltd. | Identity registration methods, apparatuses, and devices |
| US11652879B2 (en) | 2020-08-28 | 2023-05-16 | Alipay (Hangzhou) Information Technology Co., Ltd. | Matching methods, apparatuses, and devices based on trusted asset data |
| CN116305226A (en) * | 2022-08-25 | 2023-06-23 | 北京华宜信科技有限公司 | Dynamic invisible black box method for data isolation |
| CN117614609A (en) * | 2024-01-23 | 2024-02-27 | 中国人民解放军战略支援部队航天工程大学 | Traceable data right determining method, system and equipment based on composite regional chain |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107292621A (en) * | 2017-06-22 | 2017-10-24 | 丁江 | Really power deposits card method and node to mass data |
| CN107566116A (en) * | 2017-06-15 | 2018-01-09 | 中国银联股份有限公司 | The method and device of registration is really weighed for digital asset |
| CN107657554A (en) * | 2017-09-22 | 2018-02-02 | 北京亿生生网络科技有限公司 | A kind of copyright registration transaction and really power method and system |
| US20190052454A1 (en) * | 2016-02-23 | 2019-02-14 | nChain Holdings Limited | System and method for controlling asset-related actions via a block chain |
-
2019
- 2019-06-19 CN CN201910529496.4A patent/CN110335149B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190052454A1 (en) * | 2016-02-23 | 2019-02-14 | nChain Holdings Limited | System and method for controlling asset-related actions via a block chain |
| CN107566116A (en) * | 2017-06-15 | 2018-01-09 | 中国银联股份有限公司 | The method and device of registration is really weighed for digital asset |
| CN107292621A (en) * | 2017-06-22 | 2017-10-24 | 丁江 | Really power deposits card method and node to mass data |
| CN107657554A (en) * | 2017-09-22 | 2018-02-02 | 北京亿生生网络科技有限公司 | A kind of copyright registration transaction and really power method and system |
Non-Patent Citations (1)
| Title |
|---|
| 王海龙 等: "基于区块链的大数据确权方案", 《计算机科学》 * |
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